Plymouth County, IA Weather Forecast
County weather hub
Chance Rain Showers
Compare major city weather across Plymouth County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 4pm, then patchy fog between 4pm and 5pm. Mostly cloudy, with a high near 51. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Plymouth County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Plymouth County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 5:51 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Plymouth County
Wednesday looks like the warmest upcoming period in Plymouth County at 74 degrees F.
Friday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Tonight at about 20 to 25 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 5:51 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 41. Northwest wind 20 to 25 mph, with gusts as high as 40 mph. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 52. North northwest wind 10 to 25 mph, with gusts as high as 40 mph.
Widespread frost after 10pm. Clear, with a low around 31. West northwest wind 0 to 10 mph.
Widespread frost before 9am. Sunny, with a high near 59. South wind 5 to 20 mph, with gusts as high as 30 mph.
Clear, with a low around 42. South wind around 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 66.
Partly cloudy, with a low around 44.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 48.
Sunny, with a high near 71.
Mostly clear, with a low around 54.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 74.
A slight chance of rain showers. Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Chance Rain Showers
|
51°F |
15 mph
NW
|
|
Tonight
Oct 15
|
Mostly Cloudy
|
41°F |
20 to 25 mph
NW
|
|
Friday
Oct 16
|
Partly Sunny
|
52°F |
10 to 25 mph
NNW
|
|
Friday Night
Oct 16
|
Widespread Frost
|
31°F |
0 to 10 mph
WNW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
5 to 20 mph
S
|
|
Saturday Night
Oct 17
|
Clear
|
42°F |
15 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
10 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
44°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
67°F |
5 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
48°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
71°F |
5 to 10 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
54°F |
5 to 10 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
74°F |
10 to 15 mph
SSE
|
|
Wednesday Night
Oct 21
|
Slight Chance Rain Showers
|
56°F |
10 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Plymouth County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Plymouth County.
Largest mapped city population in this region: 10,195.
